1134139961 has 2 divisors, whose sum is σ = 1134139962. Its totient is φ = 1134139960.

The previous prime is 1134139907. The next prime is 1134140071. The reversal of 1134139961 is 1699314311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822829225 + 311310736 = 28685^2 + 17644^2 .

It is an emirp because it is prime and its reverse (1699314311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134139961 is a prime.

It is a super-2 number, since 2×1134139961² = 2572546902274163042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1134339961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567069980 + 567069981.

It is an arithmetic number, because the mean of its divisors is an integer number (567069981).

Almost surely, 2^1134139961 is an apocalyptic number.

It is an amenable number.

1134139961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134139961 is an equidigital number, since it uses as much as digits as its factorization.

1134139961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 1134139961 is about 33676.9945363300. The cubic root of 1134139961 is about 1042.8508936556.

The spelling of 1134139961 in words is "one billion, one hundred thirty-four million, one hundred thirty-nine thousand, nine hundred sixty-one".